PartsTable
Technical Data Sheet
PartsTable / MRO / 303-27
303-27 ✓ Verified by PartsTable
DYMO · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

File Folder Labels.<br><br>Fits all standard file folders. Great for home or office filing. High Capacity 2-up, Red and Blue stripe file folder labels also available.

<br><br>DYMO LabelWriter Labels White (1-up) 9/16" x 3-7/16" 130 per roll, 2 rolls per box This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-220-1847, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 303-27
NSN: 4820-00-220-1847
FSC: 4820
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
width0.375 INCHES NOMINAL IN
length0.812 INCHES NOMINAL IN
materialPLASTIC OVERALL
body_styleCYLINDRICAL BUSHING MOUNTED
bore_shapeSTRAIGHT
bend_radius2.000 INCHES NOMINAL IN
body_length1.440 INCHES MAXIMUM IN
flat_height0.211 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
shaft_styleROUND, FLATTED
outer_radius0.750 INCHES NOMINAL IN
shaft_length0.828 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
actuator_typeSINGLE SHAFT
NSN4820-00-220-1847
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 303-27 · DYMO ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
VALVE TYPE FOR WHICH DESIGNED: BALL
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
LARGEST OUTSIDE DIAMETER: 0.187 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
VALVE TYPE FOR WHICH DESIGNEDBALL
STEM ACTUATING END TYPETHREADED EXTERNALLY
OVERALL LENGTH3.420 INCHES NOMINAL IN
LARGEST OUTSIDE DIAMETER0.187 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
303-27Interchangeable
interchangeable cross-reference
interchangeable
S9RPInterchangeable
interchangeable cross-reference
interchangeable
7R14X1Interchangeable
interchangeable cross-reference
interchangeable
3-12LL67-240Interchangeable
interchangeable cross-reference
interchangeable
LL67Interchangeable
interchangeable cross-reference
interchangeable
SCB21667Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 303-27?
303-27 is a RESISTOR,VARIABLE,WIRE WOUND,NON manufactured by DYMO. It is classified as a MRO (MRO_GENERAL).
What parts can replace 303-27?
There are 17 known substitutes for 303-27: 303-27, S9RP, 7R14X1 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 303-27?
303-27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-220-1847. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026